IQ Tests [Flash IQ Tests] Puzzle Flash IQ Tests ! IQ test is not a absolute intellectual test and has a period of error. Examinee's body condition and environmental condition could make some difference. Guidance for use - Made up of 25 test frames all. - You need to answer 25 test in 15 minutes to get the best result. - This is a self diagnostic test, testing time and environment could make some difference.    therefore we suggest you use the result as reference. - Do not use the back button while you take the test.